drm/amd/display: Check for NULL when creating gamma struct

[Wjy&How] Some stress test is causing unexpected memory allocation
failure. This prevents null dereference but there will likely be problems
later, hard to gracefully handle memalloc fail for critical objects.

Signed-off-by: Krunoslav Kovac <[email protected]>
Reviewed-by: Anthony Koo <[email protected]>
Acked-by: Leo Li <[email protected]>
Acked-by: Reza Amini <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

0 files changed, 0 insertions, 0 deletions